問題詳情:
I have no idea what ___ while I was asleep.
A. has happened B. was happened C. happened D. had happened
【回答】
C
知識點:動詞時態
題型:選擇題
問題詳情:
I have no idea what ___ while I was asleep.
A. has happened B. was happened C. happened D. had happened
【回答】
C
知識點:動詞時態
題型:選擇題